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Eye Inflammation (Anterior Uveitis) in Dogs

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Anterior Uveitis in Dogs

 

When the uvea, the dark tissue at the front of the eye that contains the blood vessels, becomes inflamed, it creates a painful condition that is clinically referred to as anterior uveitis (which means, literally, inflammation of the front of the eye). This condition affects the dog's iris and the surrounding pupil tissue, which in turn, could threaten your dog's vision.

 

Symptoms and Types

 

  • Pain
  • Redness of the eye
  • Excessive tears
  • Discharge
  • Squinting
  • Pupil is unusually small or has an uneven shape
  • Swelling of the eyeball
  • The front of the eye is cloudy or dull
  • The color of the iris may be uneven or may be different than normal

 

Causes

 

Anterior uveitis may be due to different causes, including:

  • Autoimmune diseases
  • Tumors
  • Cancers
  • Trauma or injury
  • Metabolic diseases
  • Lens protein entering into the eye fluid
  • Infections:
    • Parasites
    • Fungi
    • Bacteria
    • Toxoplasmosis (a multi-system disease caused by a parasite)
    • Rickettsia (a parasitic disease found in many ticks, fleas and lice)

 

Viruses are another cause of anterior uveitis in animals, however, the viral agents are different for each species. The canine herpes virus, canine distemper virus and canine adenovirus can cause the condition indogs. It is important to note that the canine adenovirus-1 can be prevented with a vaccine.

 

Diagnosis 

 

Your veterinarian will want a complete medical history and will conduct a physical examination of your dog, usually using a special instrument to look at the eye (ophthalmoscope). The front of the inside of the eye, as well as the back part, will be examined to measure the pressure within the eye. The veterinarian will also order a complete blood count and a biochemical profile. This will be used to identify any autoimmune diseases, infectious organisms, or other diseases. Other tests for diagnoses include ultrasounds and X-rays of the eye, as well as an aspirate from the eye for microscopic examination.

 

 

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